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Bug#42599: error: `pthread_setschedprio' was not declared in this scope

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The problem was that a pthread.h header used by gcc did not
declare the pthread_setscheprio, yet the function is implemented
by the function is implemented, causing a autoconf check to pass
and compilation with C++ to fail. The solution is to add a
autoconf check to ensure that the function is properly declared.

configure.in:
  Check that the pthread_setschedprio is declared.
This commit is contained in:
Davi Arnaut 2009-06-18 20:21:47 -03:00
parent edfde878cf
commit 4de6d1a80f
1 changed files with 19 additions and 0 deletions
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19
configure.in
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@ -2076,6 +2076,25 @@ case "$mysql_cv_sys_os" in
# unsupported priority values are passed to pthread_setschedprio.
# Since the only supported value is 1, treat it as inexistent.
;;
SunOS) # Bug#42599 error: `pthread_setschedprio' was not declared in this scope
# In some installations, the pthread.h header used by GCC does not
# declare the pthread_setscheprio prototype, but the function is
# implemented. Since the function is used in C++ code, ensure that
# the function prototype is present.
AC_MSG_CHECKING([whether pthread_setschedprio is declared])
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([#include <pthread.h>],
[(void)(pthread_setschedprio);])],
[ac_cv_func_pthread_setschedprio=yes],
[ac_cv_func_pthread_setschedprio=no])
AC_LANG_POP([C++])
AC_MSG_RESULT([$ac_cv_func_pthread_setschedprio])
if test "$ac_cv_func_pthread_setschedprio" = yes; then
AC_DEFINE(HAVE_PTHREAD_SETSCHEDPRIO, 1,
[Define to 1 if you have the `pthread_setschedprio' function.])
fi
;;
*) AC_CHECK_FUNCS(pthread_setschedprio)
;;
esac